Use gold+diamond instead of iron+gold, also fixed a math error.

www/main.js

@@ -6,6 +6,7 @@ const API_PREFIX = "https://blockstream.info/api";
 
 const IRON_BLOCK = "https://gamepedia.cursecdn.com/minecraft_gamepedia/7/7e/Block_of_Iron_JE4_BE3.png?version=692673bafa1e94785ab6012d7a3c8dc4";
 const GOLD_BLOCK = "https://gamepedia.cursecdn.com/minecraft_gamepedia/7/72/Block_of_Gold_JE6_BE3.png?version=9d1a63c717df80feffa9ec93ebceb014";
+const DIAMOND_BLOCK = "https://gamepedia.cursecdn.com/minecraft_gamepedia/6/6b/Block_of_Diamond_JE6_BE3.png?version=117daf438c2ddfff59bab05d5715f6d2";
 
 var nextHalvingHeight = 630000;
 
@@ -52,11 +53,11 @@ function calcRenderedSatQty(sats, decimals) {
     let btc = (sats - subBtc) / 100000000;
 
     let maskModulus = 10 ** (8 - decimals);
-    let subDecimalRem = subBtc % maskModulus;
-    let decimal = (subBtc - subDecimalRem) / maskModulus;
+    let subDecimal = (subBtc - (subBtc % maskModulus)) / maskModulus;
+    let decimal = "0".repeat(decimals) + subDecimal.toString();
 
     if (decimal != 0) {
-        return btc.toString() + "." + decimal.toString();
+        return btc.toString() + "." + decimal.substr(decimals * -1);
     } else {
         return btc.toString();
     }
@@ -127,9 +128,9 @@ function makeBlockElem(block, prevBlock) {
     iconElem.classList.add("blbicon");
     iconCtr.appendChild(iconElem);
     if (block.height % HALVING_PERIOD == 0) {
-        iconElem.src = GOLD_BLOCK;
+        iconElem.src = DIAMOND_BLOCK;
     } else {
-        iconElem.src = IRON_BLOCK;
+        iconElem.src = GOLD_BLOCK;
     }
 
     // Element for all the data.